Volum keeps turning full automatically!??

I've a jailrboken my iPhone 4 on 4.3.3.
I'm having the jailbreak app: External iPod Controls.
Sometimes when I hold my + button to change track, it suddenly keep volum to max.. I can't turn volum down when that happens...

I've a jailrboken my iPhone 4 on 4.3.3.
I'm having the jailbreak app: External iPod Controls.
Sometimes when I hold my + button to change track, it suddenly keep volum to max.. I can't turn volum down when that happens...

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